Check the listing for details. SP611E LED Strip Smart Music Bluetooth APP Controller For WS2812B SK6812 WS2811. Condition: New. Listed at 9.99 USD. Features: 1. Supports both APP control and IR remote control and Music control. 2. Support automatic device connection and automatic re-connection when the APP turns on. 3. Support multiple devices grouping control. 4. Multiple sound collection methods: phone mic, player streaming, on-board mic. 5. Support modifying the device name, calibrate the RGB channel sequence, and timer function. 6. Compatible with the common single-line LED driver IC on the market, can drive up to 600 pixels. 7. Built-in 142 dynamic effects, effect length adjustable, with favour effects collecting function. 8. Built-in 18 music effects, effect length adjustable, sensitivity adjustable. 9. DC5~24V wide voltage input, the power supply has anti-reverse connection function. 10. Automatic saving function for setting parameters. Technical Parameters: Input voltage: DC5V-24V. Voltage Depends on LED strip . DC5V LED strip , use DC5V Power supply Working temperature: -20℃~60℃. Support: IOS 10.0/ Android 4.4. Output signal: SPI (TTL) Digital Signal. Connection Type: IR 38 Keys Remote Control or Bluetooth APP Control. Controllable pixels: 600 pcs IC ( ws2812b led light 600 pcs leds, ws2811 led light 1800 pcs leds). Application: Digital Addressable LED Light. Package Included: 1Pcs Led Controller (Battery not included) (Note: power supply/mobile/controller/led strip not include!)